<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<body>
<h2>Hello World!</h2>

<form action="${pageContext.request.contextPath}/upload"
      enctype="multipart/form-data"
      method="post">
    <input type="file" name="file" value="请选择需要上传的文件" /><br>
    <input type="submit" value="提交">
</form>
</body>
</html>
